/* Color Palette */
:root {
    --primary-blue: #4A90E2; /* Light Blue */
    --secondary-green: #A8E6CF; /* Pastel Green */
    --accent-blue: #e3f2fd;
    --text-dark: #333333;
    --text-muted: #6c757d;
    --bg-light: #f8f9fa;
    --white: #ffffff;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
}

/* Navbar */
.navbar {
    background-color: var(--white) !important;
}
.navbar-brand {
    font-size: 1.5rem;
}
.nav-link {
    color: var(--text-dark) !important;
    transition: color 0.3s ease;
}
.nav-link:hover {
    color: var(--primary-blue) !important;
}

/* Cards & Shadows */
.card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.rounded-card {
    border-radius: 20px;
}

/* Buttons */
.btn-primary {
    background-color: var(--primary-blue);
    border-color: var(--primary-blue);
}
.btn-primary:hover {
    background-color: #357ABD;
    border-color: #357ABD;
}
.btn-success {
    background-color: var(--secondary-green);
    border-color: var(--secondary-green);
    color: var(--text-dark);
}
.btn-success:hover {
    background-color: #8edcbf;
    border-color: #8edcbf;
}

/* Utilities */
.text-primary {
    color: var(--primary-blue) !important;
}
.text-success {
    color: var(--secondary-green) !important;
}
.bg-primary-light {
    background-color: var(--accent-blue);
}
.bg-success-light {
    background-color: #e8f8f2;
}
.hover-white:hover {
    color: var(--white) !important;
}

/* Loader */
#loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.8);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Sidebar Dashboard */
.sidebar {
    min-height: calc(100vh - 56px);
    background-color: var(--white);
    box-shadow: 2px 0 10px rgba(0,0,0,0.05);
}
.sidebar .nav-link {
    padding: 12px 20px;
    color: var(--text-muted) !important;
    border-radius: 8px;
    margin-bottom: 5px;
}
.sidebar .nav-link:hover, .sidebar .nav-link.active {
    background-color: var(--accent-blue);
    color: var(--primary-blue) !important;
    font-weight: 500;
}
.sidebar .nav-link i {
    width: 24px;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--white) 100%);
    padding: 80px 0;
    border-bottom-right-radius: 50px;
    border-bottom-left-radius: 50px;
}

/* Image thumbnails */
.img-thumbnail-custom {
    object-fit: cover;
    height: 200px;
    width: 100%;
    border-radius: 15px 15px 0 0;
}